A magnetic recording head having an air bearing surface for confronting a surface of a rotating disc and comprising a pole tip and a generally rounded and substantially planar body attached to the pole tip is disclosed. Specifically, relative to 100 parts by weight of a polybutylene terephthalate resin having 30 meqkg or less of the amount of terminal carboxyl groups, there are added a carbodiimide compound in an amount of 0. In one embodiment, using the assigned signature key, a member may assign a message received as an authentication request to prove membership within a trusted membership group. Grip members are mounted on the respective handle portions and are configured to be gripped by respective hands of an operator. Upon start of operation of reading a specific file, the client terminal 3 acquires location information of a medium 9 associated with a file name of the specific file from the server 2 via the network 5, and displays different icons according to the location information. The elastic suspension device includes an element including an elastic connector and at least one anchor at an end portion of the connector, the at least one anchor is designed for anchoring the elastic connector to a tissue.